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<HTML>
<HEAD>
<TITLE>Short List of SICS Programs</TITLE>
</HEAD>
<BODY>
<H1>Short List of SICS Programs</H1>
<P>
<h1>Logging in to Unix Workstations</h1>
You are required to have a user name and a password in order to log on to one
of the instrument workstations. There are several possible cases:
<ul>
<li>You have a PSI network account in the LNS group: use your very own name
and password.
<li> You are a guest: use account lnsg with password Saphir. You will be
asked for your name, type it in and you will be automatically directed to
a directory of your own.
</ul>
</P>
<p>
<h1>Running the SICS Instrument Control System </h1>
SICS is a client server system. This means there is a server doing the hard
work and client programs with which you interact. Thus in order to run SICS
two programs are necessary.
<DL>
<DT>A SICS server
<DD> You need not worry about that one. The system will keep it alive. But
see below.
<DT>A SICS Client.
<DD> These are the programs you interact with. There are different ones for
different instruments. The next section shows how to start them.
</DL>
</p>
<p>
<b> All SICS Clients</b> are inactive after having been started up. In order
to be useful each client needs to be connected to a SICS instrument control
server. This is achieved through the menu entries in the Connect menu. For
usage instructions for the clients, consult the help menu of the client in
question.
</p>
<p>
<h2>General SICS Clients</h2>
This section describes SICS clients common to all instruments. There are
two of those:
</p>
<p>
The <b> SICS Command Line Client</b> allows to control the instrument. It
can be started by typing: <b> sics &</b>. SICS supports a hierarchical
system of user privileges. After connecting to a SICS server a client may
look at everything but cannot change anything or even run an experiment. In
order to do this, you need to authorize yourself at the SICS server. This
can be done with the User Parameters/Set Rights dialog. A valid
username/password combination is: lnsuser/98lns2. When starting a new
experiment do not forget to set experiment information with the User
Parameter/New Experiment menu. Otherwise we might find it impossible to
recover your files when you ask for them in 10 years time.
</p>
<p>
The second general pupose SICS client is the <b>variable watcher</b>. It plots the
value of any SICS variable over time. It can be started by typing:
<b>varwatch &</b> at the command prompt. This client must be connected and
configured through the Plot/Configure menu before becoming useful.
</p>
<p>
<h2>DMC Programs</h2>
The powder diffractometer DMC has two special programs:
</p>
<p>
A <b>status display</b>, which shows the current powder diagram together with some
auxiliary information. It can be started by typing <b>powderstatus &</b> at
the command prompt.
</p>
<p>
Another program is used for <b>summing and subtracting powder diffraction
diagrams</b> to a result diagram and to write the result in ASCII. This program
can be started by typing <b>powderplus &</b> at the command prompt.
</p>
<p>
<h2>TOPSI Programs</h2>
TOPSI has only a <b>status display</b>, which shows the current scan together with
some auxiliary information. It can be started by typing <b>topsistatus &</b> at
the command prompt.
</p>
<p>
<h2>SANS Programs</h2>
SANS has only a <b>status display</b>, which shows the current detector counts and
some auxiliary information. It can be started by typing <b>sansstatus &</b> at
the command prompt.
</p>
<p>
<h1>SICS Manager Commands</h1>
These commands install and start SICS services. They must be
executed from the instrument account on the instrument computer. When using
the shell script sicsinstall, you need to be in the home
directory of the instrument account. The commands are:
<DL>
<DT>startsics
<DD> starts all SICS servers properly. Usually this must only be used after
a reboot of the instrument computer.
<DT>sicsinstall exe
<DD>installs new SICS executable files into the appropriate directories.
<DT>sicsinstall instrument
<DD>installs all files necessary for running the instrument. instrument must
be one of: dmc, topsi or sans.
</DL>
</p>
</BODY>
</HTML>